Amber Tamblyn and Rose McGowan have been two of Hollywood's most outspoken voices in the sexual harassment scandals that have rocked the industry.

Yet on Sunday, Tamblyn criticized McGowan, whom she calls "a friend," for opposing other actresses' plans to wear black dresses to the Golden Globes on Jan. 7 as a way to protest sexual harassment in Hollywood.

AfterPeople and other outlets began reporting the Golden Globes blackout, McGowan, who was one of the first of Weinstein's accusers to go public, took to social media to criticize actresses planning to participate. McGowan specifically called out award-winning actress Meryl Streep, a nominee for her performance in The Post, and railed about how "silence is the problem."

Actresses, like Meryl Streep, who happily worked for The Pig Monster, are wearing black @GoldenGlobes in a silent protest. YOUR SILENCE is THE problem. You’ll accept a fake award breathlessly & affect no real change. I despise your hypocrisy. Maybe you should all wear Marchesa.

In response, Tamblyn tweeted Sunday that she wasn't in favor of McGowan's "shaming or taunting the movements of other women who are trying to create change."

THREAD: Rose McGowan is a friend and while I support her kind of movement, I do not support any woman (or man) shaming or taunting the movements of other women who are trying to create change. Telling us to all wear Marchesa? This is beneath you, Rose.

In her original tweet, McGowan noted that Streep worked for Weinstein (referencing him as "The Pig Monster"), and concluded by suggesting the potential protesters wear Marchesa, a fashion label co-founded by Weinstein's estranged wife, Georgina Chapman.

Streep hasn't confirmed that she'll be participating in the protest, according to People. In fact, the actress spoke about the Weinstein scandal at a women's conference Dec. 7 in Boston. Sharing the stage with Gloria Steinem, she said the accusations that Weinstein faces are "the most gargantuan example of disrespect" pervading all industries.

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Harvey Weinstein arrives to court in New York, July 9, 2018. Weinstein, who was previously indicted on charges involving two women, was in court today for arraignment on charges alleging he committed a sex crime against a third woman. Robert Deutsch, USA TODAY

Harvey Weinstein arrives to court in New York, July 9, 2018. Weinstein, who was previously indicted on charges involving two women, was in court today for arraignment on charges alleging he committed a sex crime against a third woman. Robert Deutsch, USA TODAY

Harvey Weinstein was hit with allegations of almost three decades of sexual harassment Thursday in the 'New York Times.' The mega-producer has long been part of the Hollywood elite. Here, he poses with Sienna Miller at a dinner in 2009. Donald Bowers, Getty Images for The Weinstein C

From left to right, David Parfitt, Donna Gigliotti, Harvey Weinstein, Gwyneth Paltrow, Edward Zwick and Marc Norman all celebrate after receiving the Oscar for best picture for "Shakespeare In Love" during the 71st Annual Academy Awards Sunday, March 21, 1999 in Los Angeles. Paltrow won the Oscar for best actress in the movie. Dave Caulkin, AP

Hillary Clinton, then secretary of state, laughed with Weinstein at the 2012 TIME 100 Gala celebrating the magazine's list of the most influential people in the world. Larry Busacca, Getty Images for TIME

Weinstein was presented with the W.E.B. Du Bois medal by Glenn Hutchins in 2014 at Harvard. The DuBois Medal is Harvard's highest honor in the field of African and African-American Studies. Steven Senne, AP

Weinstein was in the first row for the February 2017 Marchesa show at New York Fashion Week to see the latest designs from his wife's label. He was flanked by 'This Is Us' star Mandy Moore and 'Vogue' editor Anna Wintour. Theo Wargo, (Credit too long, see caption)